cartite.cpp: In function 'void p1()': cartite.cpp:26: warning: unused variable 'j' cartite.cpp:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartite.cpp:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartite.cpp:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartite.cpp: In function 'void p2()': cartite.cpp:151: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartite.cpp:152: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartite.cpp:155: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartite.cpp: In function 'int main()': cartite.cpp:215: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cartite.cpp:216: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cartite.cpp:217: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartite.cpp:218: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result